Finding the Fourth Proportional to 129,246.34, 193,869.57 and 40,506.75
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Solution
The fourth proportional to 129,246.34, 193,869.57 and 40,506.75 is: 60,760.15
Step by Step Solution
- Step 1: Write the proportion equation
129,246.34 : 193,869.57 = 40,506.75 : x - Step 2: Convert to fraction form
129,246.34/193,869.57 = 40,506.75/x - Step 3: Cross multiply
129,246.34x = 193,869.57 × 40,506.75 - Step 4: Simplify right side
129,246.34x = 7,853,027,083.51 - Step 5: Solve for x
x = 7,853,027,083.51/129,246.34 - Step 6: Final answer
x = 60,760.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.